Gaya APA

Siswandi, L, R. (2014). An analysis of students errors in pronouncing english vowelat the seventh year of SMPN 8 Palopo . Palopo: Prodi Bahasa Inggris Jurusan TARBIYAH SATIN Palopo.

Gaya MLA

Siswandi, Lalu, Rudy. "An analysis of students errors in pronouncing english vowelat the seventh year of SMPN 8 Palopo". Palopo: Prodi Bahasa Inggris Jurusan TARBIYAH SATIN Palopo, 2014. Text.